The influence of yellow sand on Bjerkandera adusta associated chronic cough

The influence of yellow sand on Bjerkandera adusta associated chronic cough - The influence of yellow sand on Bjerkandera adusta associated chronic cough

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000010029

Enrollment

Registered

2013-02-13

Start date

2013-02-21

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic cough

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Chronic cough patients with stable status aged 20-70 years old

Exclusion criteria

Exclusion criteria: 1) Patients having abnormal shadows on chest X-ray indicative of cough aetiology 2) Patients having wheezing audible 3) Patients having obstructive disorders in pulmonary function testing 4) Patients having severe complications 5) Patients having pulmonary tuberculosis 6) Patients without agreement 7) Patients being pregnant, possible pregnant or breast-feeding a baby 8) Patients judged inappropriate by attending physicians

Design outcomes

Primary

Measure	Time frame
1. Comparison of capsaicin cough threshold, the Leicester Cough Questionnaire (LCQ), cough-related laryngeal sensation questionnaire (C-LSQ) and pulmonary function tesing is performed before and after the arrival of yellow sand. 2. Fungal culture of pharyngeal swabs is made before and after the arrival of yellow sand. 3. Air samples are collected at both 400m and 1.2 m above the ground, and B. adusta is assayed quantitatively before and after the arrival of yellow sand.	—

Measure

Time frame

1. Comparison of capsaicin cough threshold, the Leicester Cough Questionnaire (LCQ), cough-related laryngeal sensation questionnaire (C-LSQ) and pulmonary function tesing is performed before and after the arrival of yellow sand. 2. Fungal culture of pharyngeal swabs is made before and after the arrival of yellow sand. 3. Air samples are collected at both 400m and 1.2 m above the ground, and B. adusta is assayed quantitatively before and after the arrival of yellow sand.

—

Secondary

Measure	Time frame
Trace of the results of intradermal skin test using an antigenic solution of B. adusta is examined.	—

Countries

Japan

Contacts

Public ContactHaruhiko Ogawa

Ishikawa-ken Saiseikai Kanazawa Hospital. The Division of Pulmonary Medicine,

saiseikh@po3.nsknet.or.jp076-266-1060

Outcome results